PCGetReusePreconditioner#
Determines if the PC reuses the current preconditioner even if the operator in the preconditioner has changed.
Synopsis#
#include "petscksp.h"
PetscErrorCode PCGetReusePreconditioner(PC pc, PetscBool *flag)
Not Collective
Input Parameter#
pc - the
PCpreconditioner context
Output Parameter#
flag -
PETSC_TRUEdo not compute a new preconditioner,PETSC_FALSEdo compute a new preconditioner
See Also#
KSP: Linear System Solvers, PC, PCGetOperators(), MatZeroEntries(), PCSetReusePreconditioner()
Level#
intermediate
Location#
Index of all PC routines
Table of Contents for all manual pages
Index of all manual pages